17

As I understand it, most or all of philosophy can be put into the three main branches of philosophy: Epistemology, Metaphysics, and Axiology.

A devotee of reason, I have great affinity for, and believe that I get the core nature of, Epistemlogy: the study of how claims of knowledge are justified, or of how we know things.

I also think I get the basic idea of Axiology: the study of values, from ethics/morals to art and beyond.

After looking up (or asking people) what the core of the study of Metaphysics is, and while the words I read or hear have meaning, some kind of "blind spot" has heretofore obstructed me from understanding basically Metaphysics's purpose. In black and white, pragmatic, and discrete terms: of what is Metaphysics the study?

I appreciate answers not to add another layer of vague and undefined confusion on top; for every explanation to this question simply makes me ask what the explanation even means! (Metaphysics asks "what is the nature of reality?", but the question makes absolutely no sense to me! I do not understand the meaning of: "The nature of reality is what it is." So what else can you say without mystifying?)

Can anyone explain the purpose of the study of Metaphysics to someone like me with a pragmatic, rational personality and approach? Every time I think I have found an answer, it turns out to be more Epistemology, to the point that I am starting to wonder if fully embracing reason results in the elimination of Metaphysics! Thanks.

Sindyr
  • 329
  • 2
  • 7
  • 5
    There is also a branch called logic ;) – hellyale Aug 22 '15 at 05:11
  • 1
    Heidegger once delivered a famous lecture called "What Is Metaphysics." After he finished and a baffled silence a student raised his hand. "But Professor Heidegger," he asked, "what is metaphysics?" To which Heidegger responded, "That is a very good question." To this old wives tale I'd add the suggestion that the answer also changes, because "physics" changes. – Nelson Alexander Sep 08 '15 at 13:15
  • https://www.reddit.com/r/Metaphysics/comments/17z5pc/can_you_please_explain_metaphysics_to_me_like_i/ can assist, particularly this concise one sentence: https://www.reddit.com/r/Metaphysics/comments/17z5pc/can_you_please_explain_metaphysics_to_me_like_i/c8vjygl. –  Feb 01 '16 at 22:09
  • Heidegger's What is Metaphysics?: https://religiousstudies.stanford.edu/wp-content/uploads/1929-WHAT-IS-METAPHYSICS-2013-NOV.pdf – Chris Degnen Apr 18 '17 at 09:33

7 Answers7

14

Metaphysics today, as a special sub discipline of philosophy considers a really large number of important topics. For instance, all of the following are live metaphysical questions:

  • The Mind/Body Problem: How is it possible that we have subjective experiences (like the feeling of seeing the colour red, or understanding a poem) given that the other things we observe in nature have only objective, physical properties (like mass, or charge)? Are minds something non-physical? If so, how do they manage to cause physical events in my body, such as moving the muscles of my arm?
  • Laws of Nature: What are laws of nature and are there really any such things, or are the regularities scientists discover in nature merely contingent counterfactual dependence? Why is the gravitational constant and other constants in the laws of nature just what they are? Is it metaphysically possible that those constants could have been different? If so, then why did the constants in the actual world get just the precise values they have?
  • Time: Do the past and future exist? Is it metaphysically possible to travel backwards in time without generating logical paradoxes? What are space and time, really? Are they objects or sets of relations between objects or what? Is time just like a dimension of space that you can travel back and forth in, or does have a privileged direction (Time's Arrow)? Is it possible for there to be more than one dimension of time?
  • Identity over time: How is it possible for one thing to remain the same over time when its parts are changing all the time? (The Ship of Theseus). What is "the object" really? Is the whole object present at a single instant of time, or is "the object" really a four-dimensional entity only one of whose 'time-slices' is ever present at a particular instant?
  • Universals: What are abstract objects like numbers or blueness? Do such things "exist" and why or why not? What is the difference between abstract objects and concrete ones?
  • Vagueness: One grain of sand is not a heap, but by adding grains, I get a heap. Is there a definite number at which the heap begins to be a heap?
  • Identity: Is identity (the relationship everything bears to itself) a necessary relation, or a contingent one? Is identity an "absolute" relation that we can understand as simply holding between two objects, or do ascriptions of identity require a stroll term "relative" to which the identity holds?

Now at first glance this collection of questions might look like a grab bag. And to some extent that is correct--the only single feature all of these questions share is their very high level of generality. However, there are important systematic connections between the various questions. For example, if you believe objects are actually four dimensional entities extended in time as well as space, then you should hold that at least the past is just as real as the present. Studying the systematic interrelations between these questions is just as important as coming up with new arguments and objections about the questions individually. So, there actually is a more cohesive body of study here than might appear at first glance.

  • I agree that many of your examples touch fundamental and interesting questions. But I do not agree that all of them are metaphysical. Not any related set of fundamental questions is a necessarily a set of metaphysical question. But in order to prevent just discussing personal views, we need a criterion what counts as a metaphysical question. What is your criterion? - Secondly, at least those questions, which are under examination of natural science, are no longer metaphysical questions. 1) The mind-body problem is today handled not only by cognitive science but also by neuroscience. – Jo Wehler Aug 21 '15 at 18:23
  • Questions like “Why do fundamental physical constant have just the value they have?” are examined in physics and in cosmology. Of course, until now we can only derive partial answers from current scientific theories. Much thoughts operate in the domain of speculation, e.g. about multiversa. But not every open physical question is therefore already metaphysical. 3) Also the question, whether time travel is possible, is better to discuss as a physical question in the context of general relativity.
  • – Jo Wehler Aug 21 '15 at 18:24
  • What are space and time is also an interesting and fundamental question. Here I would take into consideration at least the concept of spacetime from special relativity, the subjective experience of time as investigated by psychology and the arrow of time as studied by cosmology. But to add as a further question “What are space and time, really?” does not open new roads for further investigation.
  • – Jo Wehler Aug 21 '15 at 18:24
  • At last, I recall the criterion of Popper to demarcate the border between science and non-science: Science is the discipline where the hypotheses can be falsified. Metaphysics belongs to the complement. - I would enjoy to read some of your arguments because I see from your self-description that you have specialized in metaphysics. – Jo Wehler Aug 21 '15 at 18:24
  • 7
    OK, I'm the prototypical philosophy newb here, but I am going to put my head right into the lion's mouth:

    When looking at the above list of possible lines of inquiry, it seems to me that broadly speaking there are three categories of inquiry represented: scientific (or justifiable), definitional (or based in logic/reason), or vague/mystical/unprovable (else it would have been in one of the first two categories.) If that is true, doesn't that leave metaphysics in the third, never answerable category? PS: I am now realizing how hard it is to have this conversation in this format.

    – Sindyr Aug 22 '15 at 01:02
  • @jowehler I reject the popper distinction -- contemporary metaphysics tries really hard to be as empirically informed as possible. It is possible for empirical discoveries to show us important metaphysical truths--a lot of the arguments for positions on the metaphysics of time turn on interpretation of scientific results, for instance. but the science doesn't answer all the questions we want. the metaphysical possibility of time travel is a case in point. discoveries in physics aren't going to help you solve: https://en.wikipedia.org/wiki/Grandfather_paradox –  Aug 22 '15 at 01:11
  • 3
    @Sindyr Not all metaphysical questions can be solve empirically, although as I said above, sometimes empirical results are relevant. Why do you think the questions above can't have answers? there's nothing mystical or vague about any of the questions posed--they don't turn on spurious secret knowledge or magic. they are hard questions and very abstract, but I don't see why that should mean that they aren't capable of being answered. (now you should say--"ok, show me some definite results." and then i'll have to give you some additional song and dance about how progress isn't always quick.) –  Aug 22 '15 at 01:13
  • 1
    @shane OK, but if that's the case, if those questions are answered, don't them leave the realm of metaphysics and enter the realm of epistemology by definition? If epistemology is the domain of how we know things, what we can know, and what we do know? Isn't any discrete justifiable truth or answer or discovery by it's very nature a child of epistemology, not metaphysics? This is probably where I am sounding accurately confused. – Sindyr Aug 22 '15 at 03:15
  • @shane Could you please add your criterion for a qestion or a claim to be a metaphysical question or claim? - Indeed, I did not expect that you welcome Popper's criterion of demarcation :-) – Jo Wehler Aug 22 '15 at 05:34
  • @Sindyr I assume your last comment refers to metaphysical questions only, not to scientific questions? Which question from shane's list do you now consider metaphysical - because you made a tripartite classification? – Jo Wehler Aug 22 '15 at 07:51
  • 1
    @jowehler I don't think there is any criterion, beyond the trivial semantic one: metaphysical questions are the questions studied by metaphysicians. Pick up an anthology or a journal and look at how papers are categorized--the questions above are the kind of thing you'll see under the heading "metaphysics". –  Aug 22 '15 at 11:49
  • 2
    @Sindyr epistemology is about what knowledge and other epistemically states (belief, understanding, etc) are and how to get them. But just because we know something does mean that the content of what we know is now epistemology. Think of the Pythagorean theorem: it is known to be true, but it still belongs to the domain of math, not philosophy. –  Aug 22 '15 at 11:52
  • @shane I guess in that case, one might be able to justifiably say that all matters of knowing hierarchically go back to epistemology as the ultimate "source", but that sub-categories like math, science, etc branch downward from it. Then perhaps instead of Epistemology, Axiology, and Metaphysics being co-equal first level divisions, Epistemology is at the apex (being concerned with how we justify claims of knowledge), and everything else flows downward from that. – Sindyr Aug 22 '15 at 13:44
  • @all I thank you all for your input and help, I realize now that this stack exchange format is too constrictive for an ongoing exploratory conversation, and is indeed best suited to question/answer. I will be asking another question shortly to help me find the right venue for my ongoing inquiry. Thanks. – Sindyr Aug 22 '15 at 13:46
  • @Sindyr Just before you are leaving I would like to call your attention to Stanford Encyclopedia of Philosophy and its entry on metaphysics http://plato.stanford.edu/entries/metaphysics/#MetPos – Jo Wehler Aug 22 '15 at 14:12